gnutls_x509_crt_verify(3) — Linux manual page


gnutls_x509_crt_verify(3)          gnutls          gnutls_x509_crt_verify(3)

NAME         top

       gnutls_x509_crt_verify - API function

SYNOPSIS         top

       #include <gnutls/x509.h>

       int gnutls_x509_crt_verify(gnutls_x509_crt_t cert, const
       gnutls_x509_crt_t * CA_list, unsigned CA_list_length, unsigned int
       flags, unsigned int * verify);

ARGUMENTS         top

       gnutls_x509_crt_t cert
                   is the certificate to be verified

       const gnutls_x509_crt_t * CA_list
                   is one certificate that is considered to be trusted one

       unsigned CA_list_length
                   holds the number of CA certificate in CA_list

       unsigned int flags
                   Flags that may be used to change the verification
                   algorithm. Use OR of the gnutls_certificate_verify_flags

       unsigned int * verify
                   will hold the certificate verification output.

DESCRIPTION         top

       This function will try to verify the given certificate and return its
       status. Note that a verification error does not imply a negative
       return status. In that case the  verify status is set.

       The details of the verification are the same as in

RETURNS         top

       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative
       error value.

REPORTING BUGS         top

       Report bugs to <>.
       Home page:

COPYRIGHT         top

       Copyright © 2001-2019 Free Software Foundation, Inc., and others.
       Copying and distribution of this file, with or without modification,
       are permitted in any medium without royalty provided the copyright
       notice and this notice are preserved.

SEE ALSO         top

       The full documentation for gnutls is maintained as a Texinfo manual.
       If the /usr/share/doc/gnutls/ directory does not contain the HTML
       form visit 

COLOPHON         top

       This page is part of the GnuTLS (GnuTLS Transport Layer Security
       Library) project.  Information about the project can be found at 
       ⟨⟩.  If you have a bug report for this manual
       page, send it to  This page was obtained from the
       tarball gnutls-3.6.9.tar.xz fetched from
       ⟨⟩ on 2020-09-18.  If you discover
       any rendering problems in this HTML version of the page, or you
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gnutls                              3.6.9          gnutls_x509_crt_verify(3)